Improvement in blacksmiths  hammers



e. B cuBEnLEY- Blacksmiths Hammers. 5

N0. JQ. PatentedvFeb.25,1873.

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AM, Pnam -umo GRAPH/c co. )1.x ('osaums FR@ cess) PATENT OFFICE.

GARRETT GUBBERLEY, OF MILWAUKEE, WISCONSIN.

IMPROVEMENT IN'BLACKSMITHS HAMME'RS.

Specification forming part of Letters Patent No. 136,139, dated February 25, 1873.

to be operated by the blacksmith, and do the Work of another man, and can be shifted for- `Ward or back so as to strike on any part of the anvil, striking a hard or a light blow at' the will of the operator.

Description of the Drawing forming part of thc Specification. Figure l is a perspectivey view of myinvention, and Fig. 2 a plan view.

General Description.

A is the frame; B, the hammer; C C, pulleys on the hammer-shaft; D D, straps attached and around pulleys C C; E, an elliptic spring to raise the hammer after the blow has been struck, G Gr, rods connected with the ends of spring E and connection M; H, lever by which end of lever H to treadle U; K, lever attached to the machine to move it back and forth in front of the anvil; L L, trucks on which the machine runs on` a track; M, screw-connection by which the rods the machine is Foperated; I, A connecting-rod from the G are connected to one of the stra-ps D to raise the hammer; N, connection joining lever F to one of the straps D on pulley C to bring the hammer down, O, fastening of lever F to frame A 5 I), fastening of spring E to frame A; Q, roller on which lever H shaft to which the handle of the hammer is attached, S, hammer-handle; T, spring attached to frame A and lever F to bring lever F back again; U, treadle with which the machine is operated. Operation.

Put your foot on treadle U and press down, and hammer B will strike on the anvil, since connection N will be thrown up, causing the shaft R to roll. When the foot isv raised the spring E will cause the shaft to roll in the opposite direction, and thus raise the hammer again.

Claims. I claim as my inventionl. Hammer B, pulleys C, shaft R, handle S,

Works; R, 

